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Finding the Fourth Proportional to 1,807.92, 2,696.61 and 1,753.23

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Solution

The fourth proportional to 1,807.92, 2,696.61 and 1,753.23 is: 2,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.92 : 2,696.61 = 1,753.23 : x
  2. Step 2: Convert to fraction form
    1,807.92/2,696.61 = 1,753.23/x
  3. Step 3: Cross multiply
    1,807.92x = 2,696.61 × 1,753.23
  4. Step 4: Simplify right side
    1,807.92x = 4,727,777.55
  5. Step 5: Solve for x
    x = 4,727,777.55/1,807.92
  6. Step 6: Final answer
    x = 2,615.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.